The ADIv5 spec guarentees that tar_autoincr_block will be 10bits.
Make this the default for Cortex-M family until we detect a Cortex-M3/M4,
we then change autoincrement to 12bits.
Change-Id: Ie8c89134aa036879bdd8a3c312cee9715dbc6913
Signed-off-by: Spencer Oliver <spen@spen-soft.co.uk>
Reviewed-on: http://openocd.zylin.com/730
Tested-by: jenkins
Reviewed-by: simon qian <simonqian.openocd@gmail.com>
Reviewed-by: Freddie Chopin <freddie.chopin@gmail.com>
armv7m->arm.is_armv6m = true;
}
armv7m->arm.is_armv6m = true;
}
+ if (i == 4 || i == 3) {
+ /* Cortex-M3/M4 has 4096 bytes autoincrement range */
+ armv7m->dap.tar_autoincr_block = (1 << 12);
+ }
+
/* NOTE: FPB and DWT are both optional. */
/* Setup FPB */
/* NOTE: FPB and DWT are both optional. */
/* Setup FPB */
/* Leave (only) generic DAP stuff for debugport_init(); */
armv7m->dap.jtag_info = &cortex_m3->jtag_info;
armv7m->dap.memaccess_tck = 8;
/* Leave (only) generic DAP stuff for debugport_init(); */
armv7m->dap.jtag_info = &cortex_m3->jtag_info;
armv7m->dap.memaccess_tck = 8;
- /* Cortex-M3 has 4096 bytes autoincrement range */
- armv7m->dap.tar_autoincr_block = (1 << 12);
+
+ /* Cortex-M3/M4 has 4096 bytes autoincrement range
+ * but set a safe default to 1024 to support Cortex-M0
+ * this will be changed in cortex_m3_examine if a M3/M4 is detected */
+ armv7m->dap.tar_autoincr_block = (1 << 10);
/* register arch-specific functions */
armv7m->examine_debug_reason = cortex_m3_examine_debug_reason;
/* register arch-specific functions */
armv7m->examine_debug_reason = cortex_m3_examine_debug_reason;
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